Thursday 16 November 2017

The Black Death

Class VW have been trying to develop a better understanding of why the Black Death was such a problematic disease. 
We explored the growth of bacteria by swabbing a range of equipment and spreading on agar jelly in a petri dish, to see which area/ object is the most contaminated. 
We also placed hand- sanitizing gel on one of the plates to observe what happened. 
The petri- dishes were taped and placed in a clear zipper bag in order to prevent contamination. 
As a class, we discussed the need to uphold strict hygiene practises. 
As After 2 days, this is what the plates look like: